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EXPLANATION OF PLATES. 
PLATE I. 
FIG. 
1. Boskop skull-cap. Norma lateralis x 0'67. 
2. Boskop skull-cap. Norma occipitalis x 0"67. 
PLATE II. 
1. Boskop skull-cap. Norma verticalis x 0'6 
2. Boskop skull. Temporal bone. Outer vicAv x 
PLATE III. 
1. Boskop lower jaw. View of left ramus from above x 1. 
2. Boskop lower jaw. Side view of left ramiis x 1. 
8. Lower jaw from Harrismith, O.F.S. View from above x 1. 
4. Lower jaw from Harrismith, O.F.S. Lateral view x 1. 
PLATES IV.-VII. 
Diagrams showing comparison of Boskop skull-cap with skulls of other known 
types by drawings of the median profiles of various skulls on the line drawn 
from the ophryon to the lambda. All the figures are drawn to natural size. 
Plate IV. Comparison with Neanderthal type. Plate V. Comparison with Cro- 
Magnon type. Plate VI. Comparison with Bantu type. Plate VII. Com- 
parison with Bush-Strandlooper-Hottentot types. 
PLATE VIIL 
Portions of limb-bones of Boskop skeleton. 
1. Portions of tibia, fibula, radius, and ulna in a mass of laterite. The part of the 
ulna is not yet exposed x 0 8. 
2. Cross-sections of the shafts of the radius and ulna at the level of the insertion of 
the pronator teres muscle x 1. 
3. Portions of tibia and fibula, anterior aspect x 1. 
PLATE IX. 
4. Large part of the laterite removed, exposing the portions of the tibia, fibula, 
radius, and ulna x 0*8. 
6. Portion of femur from proximal three-fourths of shaft ; anterior aspect x 1. 
PLATE X. 
6. Portion of femur as in Fig. 5. Side aspect to show curvature of shaft x 1. 
7. Portion of right femur from distal part of shaft, anterior aspect x 1. 
8. Portion of femur as in Fig. 7. Medial aspect, showing fulness of planum 
popliteum x 1. 
